In this paper the effect on dc and ac electrical properties of silica nano and micro particles dispersed in epoxy resins is discussed. In particular, space charge, conductivity, dielectric strength and partial discharge resistance is analyzed. The results show that nanostructured materials exhibit smaller space charge accumulation with respect to both base and microfilled materials. Regarding PD resistance, micro + nano filled materials display longer lifetimes with respect to base epoxy resin and materials including nanofillers or microfillers alone.
Titolo: | Epoxy based materials containing micro and nano sized fillers for improbe electrical characteristics | |
Autore/i: | FABIANI, DAVIDE; MONTANARI, GIAN CARLO; A. Krivda; L. E. Schmidt; R. Hollertz | |
Autore/i Unibo: | ||
Anno: | 2010 | |
Titolo del libro: | Proceedings of the 2010 IEEE Int. Conf. on Solid Dielectrics | |
Pagina iniziale: | 212 | |
Pagina finale: | 215 | |
Abstract: | In this paper the effect on dc and ac electrical properties of silica nano and micro particles dispersed in epoxy resins is discussed. In particular, space charge, conductivity, dielectric strength and partial discharge resistance is analyzed. The results show that nanostructured materials exhibit smaller space charge accumulation with respect to both base and microfilled materials. Regarding PD resistance, micro + nano filled materials display longer lifetimes with respect to base epoxy resin and materials including nanofillers or microfillers alone. | |
Data prodotto definitivo in UGOV: | 23-feb-2011 | |
Appare nelle tipologie: | 4.01 Contributo in Atti di convegno |
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